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Question
Which one of the following is the process in which ammonia is oxidised to nitrites and then to nitrates by aerobic bacteria?
A.
Nitrification
B.
Denitrification
C.
Adsorption
D.
Regeneration
Answer ( Option A)

Nitrification

Solution

Nitrification is the biological process in which ammonia is oxidized into nitrite, followed by a subsequent transformation of nitrites into nitrates by aerobic bacteria.

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